Java VariableSpace.getVariable方法代码示例

import org.pentaho.di.core.variables.VariableSpace; //导入方法依赖的package包/类
public void setVariables(VariableSpace space)
{
	this.variables = new HashMap<String, String>();
	
	for (String name : space.listVariables())
	{
		String value = space.getVariable(name);
		this.variables.put(name, value);
	}
}
 

import org.pentaho.di.core.variables.VariableSpace; //导入方法依赖的package包/类
public static final String getVariableName(Shell shell, VariableSpace space)
{
	String keys[] = space.listVariables();
    Arrays.sort(keys);
    
    int size = keys.length;
    String key[] = new String[size];
    String val[] = new String[size];
    String str[] = new String[size];
    
    for (int i=0;i<keys.length;i++)
    {
        key[i] = keys[i];
        val[i] = space.getVariable(key[i]);
        str[i] = key[i]+"  ["+val[i]+"]";
    }
            
    EnterSelectionDialog esd = new EnterSelectionDialog(shell, str, Messages.getString("System.Dialog.SelectEnvironmentVar.Title"), Messages.getString("System.Dialog.SelectEnvironmentVar.Message"));
    esd.clearModal();
    if (esd.open()!=null)
    {
        int nr = esd.getSelectionNr();
        String var = key[nr];
     
        return var;
    }
    else
    {
    	return null;
    }
}
 

import org.pentaho.di.core.variables.VariableSpace; //导入方法依赖的package包/类
public void setInternalKettleVariables(VariableSpace var)
{        
  setInternalFilenameKettleVariables(var);
  setInternalNameKettleVariable(var);

    // The name of the directory in the repository
    //
    var.setVariable(Const.INTERNAL_VARIABLE_TRANSFORMATION_REPOSITORY_DIRECTORY, directory!=null?directory.getPath():"");
    
    // Here we don't remove the job specific parameters, as they may come in handy.
    //
    if (var.getVariable(Const.INTERNAL_VARIABLE_JOB_FILENAME_DIRECTORY)==null)
    {
    	var.setVariable(Const.INTERNAL_VARIABLE_JOB_FILENAME_DIRECTORY, "Parent Job File Directory"); //$NON-NLS-1$
    }
    if (var.getVariable(Const.INTERNAL_VARIABLE_JOB_FILENAME_NAME)==null)
    {
    	var.setVariable(Const.INTERNAL_VARIABLE_JOB_FILENAME_NAME, "Parent Job Filename"); //$NON-NLS-1$
    }
    if (var.getVariable(Const.INTERNAL_VARIABLE_JOB_NAME)==null)
    {
    	var.setVariable(Const.INTERNAL_VARIABLE_JOB_NAME, "Parent Job Name"); //$NON-NLS-1$
    }
    if (var.getVariable(Const.INTERNAL_VARIABLE_JOB_REPOSITORY_DIRECTORY)==null)
    {
    	var.setVariable(Const.INTERNAL_VARIABLE_JOB_REPOSITORY_DIRECTORY, "Parent Job Repository Directory"); //$NON-NLS-1$        
    }
}
 

import org.pentaho.di.core.variables.VariableSpace; //导入方法依赖的package包/类
public static final String getVariableName(Shell shell, VariableSpace space)
{
	String keys[] = space.listVariables();
    Arrays.sort(keys);
    
    int size = keys.length;
    String key[] = new String[size];
    String val[] = new String[size];
    String str[] = new String[size];
    
    for (int i=0;i<keys.length;i++)
    {
        key[i] = keys[i];
        val[i] = space.getVariable(key[i]);
        str[i] = key[i]+"  ["+val[i]+"]";
    }
            
    EnterSelectionDialog esd = new EnterSelectionDialog(shell, str, BaseMessages.getString(PKG, "System.Dialog.SelectEnvironmentVar.Title"), BaseMessages.getString(PKG, "System.Dialog.SelectEnvironmentVar.Message"));
    esd.clearModal();
    if (esd.open()!=null)
    {
        int nr = esd.getSelectionNr();
        String var = key[nr];
     
        return var;
    }
    else
    {
    	return null;
    }
}
 

import org.pentaho.di.core.variables.VariableSpace; //导入方法依赖的package包/类
protected String getLogBuffer(VariableSpace space, String logChannelId, LogStatus status, String limit) {

      StringBuffer buffer = CentralLogStore.getAppender().getBuffer(logChannelId, true);
      
      if (Const.isEmpty(limit)) {
        String defaultLimit = space.getVariable(Const.KETTLE_LOG_SIZE_LIMIT, null);
        if (!Const.isEmpty(defaultLimit)) {
          limit = defaultLimit;
        }
      }

      // See if we need to limit the amount of rows
      //
      int nrLines = Const.isEmpty(limit) ? -1 : Const.toInt(space.environmentSubstitute(limit), -1);
      
      if (nrLines>0) {
        int start = buffer.length()-1;
        for (int i=0;i<nrLines && start>0;i++) {
          start = buffer.lastIndexOf(Const.CR, start-1);
        }
        if (start>0) {
          buffer.delete(0, start+Const.CR.length());
        }
      }
  
      return buffer.append(Const.CR + status.getStatus().toUpperCase() + Const.CR).toString();
    }
 

import org.pentaho.di.core.variables.VariableSpace; //导入方法依赖的package包/类
/**
 * This factory returns a FileSystemConfigBuilder.
 * Custom FileSystemConfigBuilders can be created by implementing the {@link IKettleFileSystemConfigBuilder}
 * or overriding the {@link KettleGenericFileSystemConfigBuilder}
 * 
 * @see FileSystemConfigBuilder
 * 
 * @param varSpace A Kettle variable space for resolving VFS config parameters
 * @param scheme The VFS scheme (FILE, HTTP, SFTP, etc...)
 * @return A FileSystemConfigBuilder that can translate Kettle variables into VFS config parameters
 * @throws IOException
 */
public static IKettleFileSystemConfigBuilder getConfigBuilder(VariableSpace varSpace, String scheme) throws IOException {
  IKettleFileSystemConfigBuilder result = null;
  
  // Attempt to load the Config Builder from a variable: vfs.config.parser = class
  String parserClass = varSpace.getVariable("vfs." + scheme + ".config.parser"); //$NON-NLS-1$ //$NON-NLS-2$
  
  if(parserClass != null) {
    try {
      Class<?> configBuilderClass = KettleFileSystemConfigBuilderFactory.class.getClassLoader().loadClass(parserClass);
      Method mGetInstance = configBuilderClass.getMethod("getInstance"); //$NON-NLS-1$
      if((mGetInstance != null) && (IKettleFileSystemConfigBuilder.class.isAssignableFrom(mGetInstance.getReturnType()))) {
        result = (IKettleFileSystemConfigBuilder)mGetInstance.invoke(null);
      } else {
        result = (IKettleFileSystemConfigBuilder)configBuilderClass.newInstance();
      }
    } catch (Exception e) {
      // Failed to load custom parser. Throw exception.
      throw new IOException(BaseMessages.getString(PKG, "CustomVfsSettingsParser.Log.FailedToLoad")); //$NON-NLS-1$
    }
  } else {
    // No custom parser requested, load default
    if(scheme.equalsIgnoreCase("sftp")) { //$NON-NLS-1$
      result = KettleSftpFileSystemConfigBuilder.getInstance();
    } else {
      result = KettleGenericFileSystemConfigBuilder.getInstance();
    }
  }
  
  return result;
}
 

import org.pentaho.di.core.variables.VariableSpace; //导入方法依赖的package包/类
public void setInternalKettleVariables(VariableSpace var)
{        
    if (!Const.isEmpty(filename)) // we have a finename that's defined.
    {
        try
        {
            FileObject fileObject = KettleVFS.getFileObject(filename);
            FileName fileName = fileObject.getName();
            
            // The filename of the transformation
            var.setVariable(Const.INTERNAL_VARIABLE_TRANSFORMATION_FILENAME_NAME, fileName.getBaseName());

            // The directory of the transformation
            FileName fileDir = fileName.getParent();
            var.setVariable(Const.INTERNAL_VARIABLE_TRANSFORMATION_FILENAME_DIRECTORY, fileDir.getURI());
        }
        catch(IOException e)
        {
            var.setVariable(Const.INTERNAL_VARIABLE_TRANSFORMATION_FILENAME_DIRECTORY, "");
            var.setVariable(Const.INTERNAL_VARIABLE_TRANSFORMATION_FILENAME_NAME, "");
        }
    }
    else
    {
        var.setVariable(Const.INTERNAL_VARIABLE_TRANSFORMATION_FILENAME_DIRECTORY, "");
        var.setVariable(Const.INTERNAL_VARIABLE_TRANSFORMATION_FILENAME_NAME, "");
    }
    
    // The name of the transformation
    //
    var.setVariable(Const.INTERNAL_VARIABLE_TRANSFORMATION_NAME, Const.NVL(name, ""));

    // The name of the directory in the repository
    //
    var.setVariable(Const.INTERNAL_VARIABLE_TRANSFORMATION_REPOSITORY_DIRECTORY, directory!=null?directory.getPath():"");
    
    // Here we don't remove the job specific parameters, as they may come in handy.
    //
    if (var.getVariable(Const.INTERNAL_VARIABLE_JOB_FILENAME_DIRECTORY)==null)
    {
    	var.setVariable(Const.INTERNAL_VARIABLE_JOB_FILENAME_DIRECTORY, "Parent Job File Directory"); //$NON-NLS-1$
    }
    if (var.getVariable(Const.INTERNAL_VARIABLE_JOB_FILENAME_NAME)==null)
    {
    	var.setVariable(Const.INTERNAL_VARIABLE_JOB_FILENAME_NAME, "Parent Job Filename"); //$NON-NLS-1$
    }
    if (var.getVariable(Const.INTERNAL_VARIABLE_JOB_NAME)==null)
    {
    	var.setVariable(Const.INTERNAL_VARIABLE_JOB_NAME, "Parent Job Name"); //$NON-NLS-1$
    }
    if (var.getVariable(Const.INTERNAL_VARIABLE_JOB_REPOSITORY_DIRECTORY)==null)
    {
    	var.setVariable(Const.INTERNAL_VARIABLE_JOB_REPOSITORY_DIRECTORY, "Parent Job Repository Directory"); //$NON-NLS-1$        
    }
}
 

import org.pentaho.di.core.variables.VariableSpace; //导入方法依赖的package包/类
public static final SelectionAdapter getSelectionAdapter(final Composite composite, final Text destination, final GetCaretPositionInterface getCaretPositionInterface, final InsertTextInterface insertTextInterface, final VariableSpace space)
{
    return new SelectionAdapter()
    {
        public void widgetSelected(SelectionEvent e) 
        {
        	String keys[] = space.listVariables();
            Arrays.sort(keys);
            
            int size = keys.length;
            String key[] = new String[size];
            String val[] = new String[size];
            String str[] = new String[size];
            
            for (int i=0;i<keys.length;i++)
            {
                key[i] = keys[i];
                val[i] = space.getVariable(key[i]);
                str[i] = key[i]+"  ["+val[i]+"]";
            }
            
            // Before focus is lost, we get the position of where the selected variable needs to be inserted.
            int position=0;
            if (getCaretPositionInterface!=null)
            {
                position = getCaretPositionInterface.getCaretPosition();
            }
            
            EnterSelectionDialog esd = new EnterSelectionDialog(composite.getShell(), str, Messages.getString("System.Dialog.SelectEnvironmentVar.Title"), Messages.getString("System.Dialog.SelectEnvironmentVar.Message"));
            if (esd.open()!=null)
            {
                int nr = esd.getSelectionNr();
                String var = "${"+key[nr]+"}";
                
                if (insertTextInterface==null)
                {
                    destination.insert(var);
                    //destination.setToolTipText(StringUtil.environmentSubstitute( destination.getText() ) );
                    e.doit=false;
                }
                else
                {
                    insertTextInterface.insertText(var, position);
                }
            }
        }
    };
}
 

import org.pentaho.di.core.variables.VariableSpace; //导入方法依赖的package包/类
/**
 * Hook in known parsers, and then those that have been specified in the variable
 * ftp.file.parser.class.names
 * @param ftpClient
 * @throws FTPException
 * @throws IOException
 */
protected void hookInOtherParsers(FTPClient ftpClient) throws FTPException, IOException {
  if (log.isDebug()) {logDebug(BaseMessages.getString(PKG, "JobEntryFTP.DEBUG.Hooking.Parsers"));}
  String system = ftpClient.system();
  MVSFileParser parser = new MVSFileParser();
  if (log.isDebug()) {logDebug(BaseMessages.getString(PKG, "JobEntryFTP.DEBUG.Created.MVS.Parser"));}
  FTPFileFactory factory = new FTPFileFactory(system);
  if (log.isDebug()) {logDebug(BaseMessages.getString(PKG, "JobEntryFTP.DEBUG.Created.Factory"));}
  factory.addParser(parser);
  ftpClient.setFTPFileFactory(factory);
  if (log.isDebug()) {logDebug(BaseMessages.getString(PKG, "JobEntryFTP.DEBUG.Get.Variable.Space"));}
  VariableSpace vs = this.getVariables();
  if (vs != null) {
    if (log.isDebug()) {logDebug(BaseMessages.getString(PKG, "JobEntryFTP.DEBUG.Getting.Other.Parsers"));}
    String otherParserNames = vs.getVariable("ftp.file.parser.class.names");
    if (otherParserNames != null) {
      if (log.isDebug()) {logDebug(BaseMessages.getString(PKG, "JobEntryFTP.DEBUG.Creating.Parsers"));}
      String[] parserClasses = otherParserNames.split("|");
      String cName = null;
      Class<?> clazz = null;
      Object parserInstance = null;
      for (int i=0; i<parserClasses.length; i++) {
        cName = parserClasses[i].trim();
        if (cName.length() > 0) {
          try {
            clazz = Class.forName(cName);
            parserInstance = clazz.newInstance();
            if (parserInstance instanceof FTPFileParser) {
              if (log.isDetailed()) {logDetailed(BaseMessages.getString(PKG, "JobEntryFTP.DEBUG.Created.Other.Parser", cName));}
              factory.addParser((FTPFileParser)parserInstance);
            }
          } catch (Exception ignored) {
            if (log.isDebug()) {
              ignored.printStackTrace();
              logError(BaseMessages.getString(PKG, "JobEntryFTP.ERROR.Creating.Parser", cName));
            }
          }
        }
      }
    }
  }
}
 

import org.pentaho.di.core.variables.VariableSpace; //导入方法依赖的package包/类
public static final SelectionAdapter getSelectionAdapter(final Composite composite, final Text destination, final GetCaretPositionInterface getCaretPositionInterface, final InsertTextInterface insertTextInterface, final VariableSpace space)
{
    return new SelectionAdapter()
    {
        public void widgetSelected(SelectionEvent e) 
        {
        	String keys[] = space.listVariables();
            Arrays.sort(keys);
            
            int size = keys.length;
            String key[] = new String[size];
            String val[] = new String[size];
            String str[] = new String[size];
            
            for (int i=0;i<keys.length;i++)
            {
                key[i] = keys[i];
                val[i] = space.getVariable(key[i]);
                str[i] = key[i]+"  ["+val[i]+"]";
            }
            
            // Before focus is lost, we get the position of where the selected variable needs to be inserted.
            int position=0;
            if (getCaretPositionInterface!=null)
            {
                position = getCaretPositionInterface.getCaretPosition();
            }
            
            EnterSelectionDialog esd = new EnterSelectionDialog(composite.getShell(), str, BaseMessages.getString(PKG, "System.Dialog.SelectEnvironmentVar.Title"), BaseMessages.getString(PKG, "System.Dialog.SelectEnvironmentVar.Message"));
            if (esd.open()!=null)
            {
                int nr = esd.getSelectionNr();
                String var = "${"+key[nr]+"}";
                
                if (insertTextInterface==null)
                {
                    destination.insert(var);
                    //destination.setToolTipText(StringUtil.environmentSubstitute( destination.getText() ) );
                    e.doit=false;
                }
                else
                {
                    insertTextInterface.insertText(var, position);
                }
            }
        }
    };
}